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Updated: Jun 6, 2026

Differentiation of a Human Neural Stem Cell Line on Three Dimensional Cultures, Analysis of MicroRNA and Putative Target Genes
Published on: April 12, 2015
Stem cell differentiation into steroidogenic cell lineages by NR5A family
Kaoru Miyamoto1, Takashi Yazawa, Tetsuya Mizutani
1Department of Biochemistry, Faculty of Medical Sciences, University of Fukui, Shimoaizuki 23, Matsuoka, Eiheiji-chou, Fukui 910-1193, Japan. kmiyamot@u-fukui.ac.jp
Abstract:
Transformants of mesenchymal stem cells (MSCs) stably expressing steroidogenic factor-1 (SF-1) undergo differentiation into steroidogenic cell-lineages by stimulation with cyclic-adenosine mono-phosphate (cAMP). Another member of NR5A nuclear orphan receptors, Liver-specific receptor homologue-1 (LRH-1), was also able to differentiate MSCs. On the other hand, we found that embryonic stem (ES) cells were hardly induced to differentiate into steroidogenic cell-lineage by the similar treatment. In this study, we developed a novel method to differentiate ES cells into steroidogenic cells. We introduced SF-1 into mouse ES cells at ROSA26 locus under regulation of Tetracycline-off (Tet-off) in order to express SF-1 in the cells at desired period. When SF-1 was induced to express after the ES cells had been differentiated into mesenchymal cell-lineage, steroid hormones were produced from the SF-1 expressing cells. This provides a safer method for supplying sufficient amount of differentiated cells toward future regenerative medicine.
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